Lésions à cellules géantes de l'os Flashcards

1
Q

Quelle lésion peut être multifocale?

A
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2
Q

Deux lésions dans l’épiphyse

A
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3
Q

Lésion qui touche les petits os des doigts et mains

A

granulome de réparation

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4
Q

lésion touchant les vertèbres

A

KOA

TCG

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5
Q

quelle lésion n’a pas de rim sclérotique autour

A

tumeur brune

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6
Q

quelle lésion touche le bassin

A

tumeur brune

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7
Q

nommer les 7 entités dans cette catégorie

A

fibrome non ossifiant

tumeur brune

TCG

KOA

chondroblastome

OT

granulome de réparation

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8
Q

Quelle lésion est dans la diaphyse

A

granulome de réparation

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9
Q

quelles lésions touchent d’avantage les moins de 20 ans

A

chondroblastome

KOA

fibrome non ossifiant

OT

granulome réparation

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10
Q

Caractéristiques histologiques plus spécifiques au fibrome non ossifiant

A

histiocytes spumeux

Cellules fusiformes d’architecture fasciculée

cellules géantes plus rares

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11
Q

Quelle lésion peut régresser par elle-même

A

Fibrome non ossifiant

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12
Q

Translocation des KOA

A

USP6-CDH11

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13
Q

Quelle lésion est associée au “blue bone”?

A

KOA

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14
Q

Nommer trois IHC positives dans le chondroblastome

A

DOG1

S100

SOX9

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15
Q

quelle entité a des calcifications en chicken-wire

A

chondroblastome

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16
Q

Moléculaire du chondroblastome

A

Mutation H3F3B

17
Q

Moléculaire de la TCG

A

H3F3A

18
Q
A